Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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PC817CS


5kV 50mA 200mV@1mA,20mA 1 6V 1.2V DC SOP-4 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 213746
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AUD 0.0348
Multiples of: 20

TLP181GB-S


Optocouplers SOP-4 RoHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Youtai 194839
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AUD 0.1009
Multiples of: 5

EL3H7(C)(TA)-G


Transistor Output Optocouplers 200-400CTR 3750Vrms -55 to +110 Op Temp
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight 189861
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AUD 0.0686
Multiples of: 25

LTV-357T-B


Transistor Output Optocouplers P/C LTV-357T BIN B (2.0) STD. TYPE
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Lite-On 186351
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AUD 0.0756
Multiples of: 5

PS2802-1-F3-A


Transistor Output Optocouplers Hi-Iso Darling 1-Ch
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

CEL 165643
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AUD 0.8433
Multiples of: 1

EL817B-F


Optocouplers DIP-4 RoHS
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Everlight 162680
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AUD 0.0381
Multiples of: 20

MOC3063SR2M


Triac & SCR Output Optocouplers 6Pin600V Optocoupler Zero Cross Triac Dr
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ON Semiconductor 159080
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AUD 0.4902
Multiples of: 1000

MOCD217R2M


Optocoupler; SMD; Channels:2; Out: transistor; 2.5kV; SO8
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ON Semiconductor 94575
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AUD 0.4231
Multiples of: 2500

HMHA2801R2


Transistor Output Optocouplers Optocoupler Phototransistor
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 58200
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AUD 0.2788
Multiples of: 2500

FOD3182SDV


Fairchild Semiconductor High Speed Optocouplers High Speed 3A OUT MOSFET Gate Driver
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor 2400
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AUD 2.405
Multiples of: 1

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